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What is the Least Common Multiple of 78936 and 78944?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 78936 and 78944 is 778940448.

LCM(78936,78944) = 778940448

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Least Common Multiple of 78936 and 78944 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78936 and 78944, than apply into the LCM equation.

GCF(78936,78944) = 8
LCM(78936,78944) = ( 78936 × 78944) / 8
LCM(78936,78944) = 6231523584 / 8
LCM(78936,78944) = 778940448

Least Common Multiple (LCM) of 78936 and 78944 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78936 and 78944. First we will calculate the prime factors of 78936 and 78944.

Prime Factorization of 78936

Prime factors of 78936 are 2, 3, 11, 13, 23. Prime factorization of 78936 in exponential form is:

78936 = 23 × 31 × 111 × 131 × 231

Prime Factorization of 78944

Prime factors of 78944 are 2, 2467. Prime factorization of 78944 in exponential form is:

78944 = 25 × 24671

Now multiplying the highest exponent prime factors to calculate the LCM of 78936 and 78944.

LCM(78936,78944) = 25 × 31 × 111 × 131 × 231 × 24671
LCM(78936,78944) = 778940448